|
|
|
National Stock Number:
4820-00-723-5783
Federal Supply Class:
4820
National Item Identification Number:
007235783
Description:
SEAT,VALVE
Detail:
A replaceable item designed to provide a circular stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT.
|
Manufacturer Information:
| 11978 | 99643 | EATON AEROSPACE LLC | | 4820PL0654537 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH |
|
Techincal Specification:
| STYLE DESIGNATOR | PLAIN FLANGED | | FLANGE DIAMETER | 0.375 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 0.250 INCHES MINIMUM AND | | 0.262 INCHES MAXIMUM | | BODY INSIDE DIAMETER | 0.039 INCHES MINIMUM AND | | 0.040 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.095 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.080 INCHES MINIMUM AND | | 0.085 INCHES MAXIMUM | | BODY STEPPED INSIDE DIAMETER | 0.156 INCHES NOMINAL FIRST STEP | | 0.039 INCHES MINIMUM AND | | 0.040 INCHES MAXIMUM SECOND STEP | | MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 440C FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | HARDNESS RATING | 55.0 ROCKWELL C MINIMUM AND | | 60.0 ROCKWELL C MAXIMUM BODY | | SEATING SURFACE SHAPE | FLAT | | SPECIAL FEATURES | FLANGE DIA 0.3740 IN. MIN,FLANGE DIA 0.3745 IN. MAX |
|
|